var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var lessMiddleware = require('less-middleware');
var logger = require('morgan');
const {createProxyMiddleware:proxy} = require("http-proxy-middleware");
var indexRouter = require('./routes/index');
// var usersRouter = require('./routes/users');

var app = express();


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(lessMiddleware(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'public')));
app.use('/proxy' ,proxy({
  target: 'https://wis.qq.com/', // 请求的原来的主机名替换成target  https://wis.qq.com/proxy/weather/common
  changeOrigin: true ,        // 请求转发的过程中 修改请求头中的origin项
  pathRewrite: {              // 可以替换掉路径中的内容
      '^/proxy': '',          //  https://wis.qq.com/weather/common
  },
}))



indexRouter(app);
// app.use('/', indexRouter);
// app.use('/users', usersRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});


// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
